Oaklanders need mulch for their gardens, but who wants to pay for it from Home Depot? Why not just get some free wood chips from tree services that need to get rid of it?
Tree services offering free mulch
Ponderosa Tree Service (15-18 yd3 loads)
Cal Tree Care (doesn't cover the majority of Oakland, 8 yd3 loads)
Traverso Tree Service (5-30 yd3 loads)
C&W Tree and Landscape (~20 yd3 loads)
City of Albany (multiple options)